Financial Maths, STD1 F1 2022 HSC 7 MC v1

Sienna works a 40-hour week at a Bunnings warehouse and is paid at an hourly rate of $25. Any overtime hours worked are paid at time-and-a-half.

In a particular week, she earned $1450.

How many hours in total did Sienna work in this week to earn this amount?

Show Answers Only

$C$

Show Worked Solution

$\text{Normal pay}=40\times 25=\$1000$

$\text{Overtime pay earned}= 1450-1000=\$450$

$\text{Overtime rate}= 25\times1.5=\$37.50\ \text{per hour}$

$\text{Overtime hours}=\dfrac{450}{37.50}=12\ \text{hours}$

$\text{Total hours}=40+12=52\ \text{hours}$

$\Rightarrow C$